# Posts by Jen

Total # Posts: 3,525

Eng B
Sorry it's denotative meaning

Eng B
Which of the words in parenthesis in the following sentences is most likely to convey a denotative main? A. What (time) did he call? B. Do you know what the (owl) signifies? C. Deliver the (goods) soon, or else D. The recipe calls for one pint of (cream). Answer is "B"

Eng B
Ok, thank you Well it's "C" suggest hidden meanings

Eng B
An author of detictive novel is most lkely to use figurative language to A. Entertain the reader. B. help the reader visualize a character. C. suggest hidden meanings. D. mislead the reader. Answer is "B"

Literature
Which of the words in parenthesis in the following sentences is most likely to convey a denotative main? A. What (time) did he call? B. Do you know what the (owl) signifies? C. Deliver the (goods) soon, or else D. The recipe calls for one pint of (cream). Answer is "B"

algebra 1
Solve the rational equation. 3/(x)+6/(x+3)=8/(x+1)

algebra 1
What is b^2-b/2

algebra 1
What is b^2-b/2

algebra 1
Is there a name of the site

algebra 1
Do you know of any Mutiplying and dividing rational expression calculators that shows the steps?

algebra 1
Simplify the rational expressions,if possible.State the excluded values,if any. 1.5x-5/10x^2-25x+15 2.w^2+6w+9/2w^2-18

Pre Calculus
I keep trying to solve this by factring but I can't seem to get! It's so frustrating! The problem is 1+tan2x=0 This is how I worked the problem before: 1+((2tanx)/(1-tan^2x))=0 ((2tanx)/(1-tan^2x))= -1 Then I cross multiplied to get: -1 + tan^2x = 2 tanx Than I ...

Biology
a mother carried the sex-linked gene for color blindness and the father had normal color vision, what would be the probability of having a colorblind son? *using a Punnett Square

Fitness
If your use soymilk on regular basic, you should select a variety that’ A. fortified with protein. B enriched with calcium and vitamins. C. chocolate or vanilla flavored. D. Naturally fat fee I think the answer is "A"

statistics
A simple random sample size of n = 150 is obtained from a population whose size is N = 20,000 and whose population proportion with a specified characteristic is p = 0.6. What is the probability of obtaining x = 96 or more individuals with the characteristic P(p hat)≥0.64

Chemistry
unknown 100% correct

social studies
Can't unscramble 3 middle eastern names...ihaaBm, Bpsouors, hrpuitReE esavr

chemistry
53.0 mL of a 1.50 M solution is diluted to a total volume of 258 mL. A 129-mL portion of that solution is diluted by adding 195 mL of water. What is the final concentration? Assume the volumes are additive.

social studies
Can't unscramble 3 middle eastern names...ihaaBm, Bpsouors, hrpuitReE esavr

chemistry
What is the solubility of AgCrO4 (Ksp= 9.0 x 10^-12) in distilled water?

history
thank you

history

Chemistry
ou are given the following data. S(s) + 3/2 O2(g) → SO3(g) ΔH = -395.2 kJ 2 SO2(g) + O2(g) → 2 SO3(g) ΔH = -198.2 kJ Calculate ΔH for the reaction below. S(s) + O2(g) → SO2(g)

Biochemistry
Explain how to prepare 1L of a buffer at pH 7.4 using 1M hypochlorous acid (Ka = 3.5 x 10-8) and a 1 M NaOH solution. Indicate the volume of hypochlorous acid and sodium hydroxide to use.

Biochemistry
Explain how to prepare 1L of a buffer at pH 7.4 using 1M hypochlorous acid (Ka = 3.5 x 10-8) and a 1 M NaOH solution. Indicate the volume of hypochlorous acid and sodium hydroxide to use.

finance
Assume investors expect a 2.0 percent real rate of return over the next year. If inflation is expected to be 0.5 percent, what is the expected nominal interest rate for a one-year U.S. Treasury security?

chemistry
Please help me with this dilution. Given a very concentrated tube of virus. Apply serial dilution to make 1:7500 dilution. Dilute virus in PBS

math
What is the height of a cliff if at 10 am the shadow is 2 feet long?

math
Find a subset of R^2 which is not of the form AxB where A and B are subsets of R.

biochem
Which of the following pairs of compounds would NOT make a hydrogen bond with each other? CH3 and H20 H20 and HF NH4 and HF H2O and CH3COOH all of the following would make hydrogen bonds

math
To find 6x8 i can use the facts for 5x4 and 1x4. do you agree, if so explain

probability
for a small regional airline, the number of claims for missing luggage averages 70 per week. a. what is the probability that on a given day, there are fewer than 3 claims made against the airline? b. what is the probability that there are more than 3 claims against the ...

math
• regular rate: \$2.10/lb • ship 101 to 500 lb, get a 20% discount • ship over 500 lb, get a 40% discount A large medical supply company has promised to donate 12 hospital beds and 4 wheeled stretchers over four months. Each bed weighs 58 kg and each stretcher ...

math.
A band poster that measures 90 cm by 40 cm is reduced by a scale factor of 1/6 so it can fit on a postcard. a) What are the dimensions of the postcard image? b) By what scale factor, to the nearest hundredth, was the area of the poster decreased in the reduction process? ...

math
bob can fill bucket in 25 seconds in the sink, sue can fill same bucket in 17 seconds with hose, how much longer will it take bob to fill 15 buckets

Math
Given the following question: -3e^(-2*t)*sin(pi*t + pi/3)] How do I find a) period b) frequency c) time (phase) shift d) time constant

Math
ABC Bank offers a savings account with 4.5% compounded quarterly. Find the APY the bank's savings account offers (round your answer to three decimal places).

maths-calculus
mean value theorem prove sq root 9.1 is less than or equal to 3+1/60

chemistry
How many different 5.00 d states does hydrogen have? please list them..

Intermediate college algebra
Beer cans are right circular cylinders. My algebraic ale and logarithmic lager cans, from snide brewery, have dimensional units called brewskis. The have a volume (in cubic brewskis) equal to the solution of the number of grams of radium 226 remaining after 4860 years when the...

CHE MISTRY
149ml bubble of hot gases at 217 degrees celcius and 1.78 atm escapes from an active volcano. What is the temperature, in celcuis, of the gas in the bubble outside the volcano if the new volume of the bubble is 164ml and the pressure is 0.770atm?

Intermediate college algebra
Beer cans are right circular cylinders. My algebraic ale and logarithmic lager cans, from snide brewery, have dimensional units called brewskis. The have a volume (in cubic brewskis) equal to the solution of the number of grams of radium 226 remaining after 4860 years when the...

27,600 miles

Chemistry
How many kilograms of chalcopyrite must be mined to obtain 315g of pure Cu?

Chemistry
Calculate the pH of 30.0 mL of 0.025 M NaOH

Chemistry
Calculate the pH of 30.0 mL of 0.025 M NaOH

chemistry
the gas contained in a piston is compressed from an original volume of 1.15 L to a new volume of 0.45 L. Assuming that the temperature of the gas remains constant what is the new pressure exerted on the gas if the original pressure was 2.15 atm?

chemistry
the gas contained in a piston is compressed from an original volume of 1.15 L to a new volume of 0.45 L. Assuming that the temperature of the gas remains constant what is the new pressure exerted on the gas if the original pressure was 2.15 atm?

chemistry
How would you prepare a supersaturated solution of CuSo4 in 100ml of water

physics
Don't over-complicate it! If the 100 coil spring is capable of stretching 0.210 m, then a spring of half this length would be able to stretch 0.210/2 or 0.105 m. Literally no equations are even required!

physics
Your physics teacher drives an ideal frictionless car of mass 1000 kg which coasts along the level road to his home at a constant speed of 48 km/h with the engine turned off. It then coasts 40 m up his sloping driveway and comes to rest at the top without any braking required...

chemistry
If 75mL of a hard water sample required 23.00 mL of .200 M EDTA, calculate the total hardness

chemistry
MX2(s)<--> M2+(aq)+ 2X-(aq) ksp=[M2+][X-]2 the question asks.. why is [MX2] not used in the expression for the equilibrium? is it because they aren't used in the expressions?

chem
Use the solubility rules. If a compound is aqueous it splits into its ions, while if it is a solid (like FeO) or a liquid (like H2O) they ions do not separate. Hope this helps!

math
Assume that the average annual salary for a worker in the United States is \$30,500 and that the annual salaries for Americans are normally distributed with a standard deviation equal to \$6,250. Find the following: (A) What percentage of Americans earn below \$19,000? (B) What ...

chemistry
One buffer solution used to calibrate a pH electrode was made by dissolving 2.24g of potassium propanoate, C2H5COOK, in 250cm3 of 0.20 mooll-1 propanoic acid.

Science
How can community growth affect local ecosystems?

Analyzing Data (HELP!!)
Multiplying Rabbits Suppose that a pair of rabbits produces six offsrping: 3 males and 3 females. Assumes that no offspring die. 1. If each pair of rabbits breeds only once, how many offspring would be produced each year for 5 generations? 2. Construct a graph of your data. ...

physics
A car accelerates uniformly from rest to a speed of 21.2 km/h in 8.3 s. Find the distance it travels during this time. Answer in units of m

Physics
A certain freely falling object requires 1.50 seconds to travel the las 30.0 meters before it hits th ground. From what height above the ground did it fall?

geometry
Supplementary means they equal to 180. Based on this, if one is acute (50) then the other would have to add up to equal 180 (so, 130). Why is this false? Because it could also be 90 degree angles -- 90 + 90 = 180 In this case, neither is acute!

math
On our worksheet this is the same question, but ours states the original ratio of red to yellow as 3:4.

social studies
word that means the division of land

science
Express 2.5 km in m____________, 4.7 m in mm ____________, and 14 cm in μm

science
Suppose your room had been 20 meters wide. Express this width in μm

Chemistry IR Spectroscopy
It's correct! Thanks

Chemistry IR Spectroscopy
Sort the compounds: conjugated or non conjugated. -but-2-enoic acid -butanoic acid -hex-4-en-3-one -hexan-3-one

Chemistry
Thanks!

Chemistry
Suppose you have a strong peak at 2230 cm–1. What is the wavelength of the radiation that was absorbed?

math
Using the distributive property of multiplication over addition, we can factor as in x2 + xy = x1x + y2. Use the distributive property and other multiplication properties to factor each of the following: 47.99 + 47 (x+1)Y +(X+1) x^2y+z^x3

ma
Simplify each of the following using properties of exponents. Leave answers as powers a.3^8.3^4 b.5^2.5^4.5^2 c.6^2.2^2.3^2

Chemistry
Assume your sample spots are 1 cm above the bottom of the TLC plate. What happens if you put the plate in a developing chamber that has 1.2 cm of developing solvent? A. The solvent will move up the plate by capillary action faster. B. The sample spots will become more ...

Chemistry
Why do you spot multiple times? Select one or more correct answers. A. To fill the capillary almost instantly by capillary action. B. So the developing chamber solvent does not evaporate. C. The higher compound concentration facilitates visualization. D. To acheive a high ...

Why is it possible to use melting point to distinguish the different stereochemistry of the products? (Hint: what is the relationship of the different stereoisomers of the product?)

chemistry
Why is it possible to use melting point to distinguish the different stereochemistry of the products? (Hint: what is the relationship of the different stereoisomers of the product?)

Chemistry
Assume the solubility of benzoic acid in ice-cold water is 1.70 g/L and the solubility of benzoic acid in hot water is 68.0 g/L. Calculate the minimum volume of water (in mL) needed to recrystallize 0.950 g of benzoic acid.

CHEMistry
A mixture of two compounds, A and B, was separated by extraction. After the compounds were dried, their masses were found to be: 117 mg of compound A and 91 mg of compound B. Both compounds were recrystallized and weighed again. After recrystallization, the mass of compound A ...

OCHEM
A student needed to determine the percent composition of a mixture that contained fluorene and benzoic acid. The student took 245 mg of the mixture and used the extraction method to separate the components. Then both compounds were recrystallized and dried. The experiment ...

HEALTH
It is C because there are various causes for depression. Depression tends to depend on the person and their situations, but then it can also depend on their genetics. Considering there are so many large ranges and since depression itself is such a broad term, there is not a ...

chem
Of 1.00g of A reacts with 1.50g of B, what is the mass of C how do i do this? Law of conservationn of mass, but not sure where to start?

Literacy
B Historical data or the source of the quote, is the correct answer. Just took the test, on page 43.

Chem Two
When 2.25 g of a nonelectrolyte solute is dissolved in 125 mL of water at 22 °C, the resulting solution exerts an osmotic pressure of 955 torr. What is the molar concentration of the solution? How many moles of solute are in the solution? What is the molar mass of the solute?

chemistry
OH I THINK I MADE A MISTAKE. I GOT 55.7 AS MY ANSWER NOW

chemistry
A 100.0 ml sample of 0.300 M NaOH is mixed with a 100.0 ml sample of 0.300 M HNO3 in a coffee cup calorimeter. Both solutions were initially at 35.0 degrees celcius; the temperature of the resulting solution was recorded at 37.0 degrees celcius. Determine the delta H (in units...

history
Which country lawyer from Ashtabula, Ohio, argued that criminals are not born, but are made by the unjust condition of human life?

stastics
If 1.5% of the bolts made by an automotive factory are defective, what is the probability that in a shipment of 200 bolts, there are 6 defective bolts? Place your answer, rounded to four decimal places, in the blank.

Chemistry
I was just having trouble with getting the [OH-] concentration. I had the answer just didn't know how to get to it. Thank you, it helped.

Chemistry
This question was posted: At 22 °C an excess amount of a generic metal hydroxide M(OH)2, is mixed with pure water. The resulting equilibrium solution has a pH of 10.56. What is the Ksp of the compound at 22 °C? I have found my [OH-] concentration (3.63x10^-4) but I am ...

math
Given a dilation with the origin O (0, 0), by observation determine the scale factor "k." DO,K = (6, 12) (3, 6) What is the scale factor K = a0 Is the dilation an expansion or contraction? a1

Beginner Alegra
That was sooo much easier than I was making it out to be. Thank you!

College Algebra
Algebra! Not Alegra.

Beginner Alegra
From a point on a straight road, Nico and Maria are riding bicycles in the same direction. Nico rides at 12mph and Maria rides at 14mph. In how many hours will they be 11 mi apart?

Physics
A block of mass 77.0kg is placed at the top of a frictionless plane that is inclined 46 degrees to the horizontal. The height of the plane is 23.0 meters. Find the speed of the block at the bottom of the plane. Please show all your steps, don't just suggest a formula. ...

Physics
Fabulous! Thank you!!!

Physics
Question though, the answer in the book says that the answer is 3.9 Newtons...do I need to convert this answer or something?

Physics
Find the magnitude of the gravitational attraction force that the earth exerts on a 62-kilogram astronaut who is 8.00 X 10^7 meters away from the center of the earth. Useful numbers: M^earth=5.98 X 10^24kg; G=6.67 X 10^-11 N*m^2kg^-2 Please walk me through your steps, don'...

Physics
The liquid in the tube has a density of 1.48 g/cm^3 . The atmospheric pressure is 1.013 X 10^5 newtons per square meter. What is the pressure P in the container? Please walk me through your steps, don't just suggest a formula. Thank you very much.

Physics
I know it IS really fast lol, but that's what is says! Thank you for your help!

Physics
A wheel is rolling ithout slipping at 487 meters per second to the right on a level surface. the diameter of the wheel is 100 centimeters. What is the angular speed of the wheel in revolutions per minute? Please walk me through your steps, don't just suggest a formula. ...

Physics
Thank you so much!!

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